Inventor · disambiguated record
Douglas Armstrong
Also filed as: ARMSTRONG DOUGLAS · ARMSTRONG DOUGLAS C · HUTCHISSON JAMES T
11 granted patents·364 citations·filing 1975–2003
92Inventor score
Files withCOULTER ELECTRONICS4GEN MOTORS CORP3ARMSTRONG DOUGLAS C2ARMSTRONG DOUGLAS1COULTER DIAGNOSTICS INC1
Top patents by PatentIndex Score
11 records- 0193US4102810AStabilized hematological reagent solutionsCOULTER ELECTRONICS·Filed 1976·Granted Jul 25, 1978·64 cites·6 claims
- 0292US4219440AMultiple analysis hematology reference control reagent and method of making the sameCOULTER ELECTRONICS·Filed 1979·Granted Aug 26, 1980·62 cites·21 claims
- 0390US6811010B1Multiple connection synchronizerGEN MOTORS CORP·Filed 2003·Granted Nov 2, 2004·34 cites·4 claims
- 0489US4881453AServo mechanism for actuating a friction band assembly in a planetary gear setGEN MOTORS CORP·Filed 1988·Granted Nov 21, 1989·38 cites·2 claims
- 0589US3962125AMulti-purpose diluent for use in blood analysis by electronic instrumentation of the coulter typeCOULTER DIAGNOSTICS INC·Filed 1975·Granted Jun 8, 1976·53 cites·9 claims
- 0672US4250051APreservative for use in calibrator compositions for blood analysisCOULTER ELECTRONICS·Filed 1978·Granted Feb 10, 1981·23 cites·4 claims
- 0769USD254530SStraw dispenserARMSTRONG DOUGLAS·Filed 1977·Granted Mar 25, 1980·11 cites·1 claims
- 0868US4374644ABlood cell volume monitoringCOULTER ELECTRONICS·Filed 1981·Granted Feb 22, 1983·24 cites·13 claims
- 0965US4659044AUniversal kit for spar-mounted mount for radar antennaARMSTRONG DOUGLAS C·Filed 1985·Granted Apr 21, 1987·40 cites·4 claims
- 1047US4473024ASelf-locking covering device for standing riggingARMSTRONG DOUGLAS C·Filed 1981·Granted Sep 25, 1984·15 cites·2 claims
- 1139US7168541B2Manual planetary transmission with synchronizer clutches and brakesGEN MOTORS CORP·Filed 2003·Granted Jan 30, 2007·0 cites·3 claims
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